// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_
#define MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_

#include <map>
#include <string>

#include "base/memory/linked_ptr.h"
#include "media/cast/logging/logging_defines.h"
#include "media/cast/logging/proto/raw_events.pb.h"

namespace media {
namespace cast {

    typedef std::map<RtpTimeTicks,
        linked_ptr<media::cast::proto::AggregatedFrameEvent>>
        FrameEventMap;
    typedef std::map<RtpTimeTicks,
        linked_ptr<media::cast::proto::AggregatedPacketEvent>>
        PacketEventMap;

    // Represents deserialized raw event logs for a particular stream.
    struct DeserializedLog {
        DeserializedLog();
        ~DeserializedLog();
        proto::LogMetadata metadata;
        FrameEventMap frame_events;
        PacketEventMap packet_events;
    };

    // This function takes the output of LogSerializer and deserializes it into
    // its original format. Returns true if deserialization is successful. All
    // output arguments are valid if this function returns true.
    // |data|: Serialized event logs with length |data_bytes|.
    // |compressed|: true if |data| is compressed in gzip format.
    // |log_metadata|: This will be populated with deserialized LogMetadata proto.
    // |audio_log|, |video_log|: These will be populated with deserialized
    // log data for audio and video streams, respectively.
    bool DeserializeEvents(const char* data,
        int data_bytes,
        bool compressed,
        DeserializedLog* audio_log,
        DeserializedLog* video_log);

} // namespace cast
} // namespace media

#endif // MEDIA_CAST_LOGGING_LOG_DESERIALIZER_H_
